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If the perimeter of a circle and a squar...

If the perimeter of a circle and a square are equal, then what is the ratio of the area of the circle to that of the square ?

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AGRAWAL PUBLICATION-SAMPLE PAPER 12-EXERCISE
  1. If sin theta = 12/13, find the value of : (sin^2theta- cos^2 theta)/(2...

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  2. Find the area and perimeter of a sheet of a paper which is a sector o...

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  3. If the perimeter of a circle and a square are equal, then what is the ...

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  4. The two opposite verticles of a square (-1,2) and (3,2) . Find the coo...

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  5. Find a relationship between x and y such that the point (x,y) is equid...

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  6. Find the greatest number which when divides 245 and 1029 leaves remain...

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  7. Solve for x: x^4-20x^2+64 = 0.

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  8. Solve for x and y : = (3a)/x-(2b)/y= -5 and a/x+(3b)/y= 2,x,y!= 0.

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  9. Prove that the area of an equilateral triangle descriped on a side of ...

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  10. If alpha and beta are zeros of a quadratic polynomial 4x^2+4x+1, then ...

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  11. A farmer conects a pipe of internal diameter 20 cm from a canal into c...

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  12. How many terms of the A.P. 9,17,25,….. Must be taken to give a sum of ...

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  13. 5 books and 7 pens together cost Rs 79, whereas 7 books and 5 pens tog...

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  14. The length of a rectangular plot is greater than thrice its breadth by...

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  15. A tower is 50, high. Its shadow is x metres shorter, when the sun's al...

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  16. A dice is thrown twice. What is the probability that 2 will not come u...

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  17. A bag contains 5 red, 8 green and 7 white balls. One ball is drawn at ...

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  18. Find th curved surface area of a right circular cone of height 15 cm a...

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  19. The outer and inner diameters of a circular ring are 34 cm and 32 cm r...

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  20. If 2 sin 2 theta = sqrt3, then find the vakue of theta.

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